User manual

3
CPU
overheat
protection
A
.
CPU
f
an no
t
powerful enough
or not plugged
well
Change to a powerful CPU fan, and
fix it tightly to CPU
B
.
H
ea
t
s
i
n
ki
ng
silica gel not
enough or not
g
ood
q
ualit
y
Refill sufficient quality silica gel
C
.
F
an
i
s
d
us
ty
Cl
ean
th
e
f
an
D
.
CPU
i
s
overclocked
R
ever
t
th
e
f
requency or rep
l
ace
th
e
CPU
E
.
O
ver
l
oa
d
e
d
(p
ins of
)
CPU
T
es
t
th
e res
i
s
t
ance o
f
th
e p
i
ns o
f
the CPU b
y
multimeter
4
P
ower sw
it
c
h
is not well
connected
CPU can not work
normally
Replace or repair the power supply
5
U
se un
d
er
high
temperature
and
sunshine
A.CPU under
overheating
protection
Keep on changing to bigger CPU
fans, open the PC case if conditions
permitted, blow cool air into the
case
B
.
O
ver
h
ea
t
e
d
power supply
lead to abnormal
voltage
regulation, which
makes the CPU
doesn’t work
Clean the cooling fan of the power,
or use more powerful cooling fans,
remove the cards, hard disks,
CD-ROM etc., which are not in use
currently, or change to higher
power supply
C
.o
th
er
i
n
di
v
id
ua
l
component is
overheated which
make the CPU
doesn’t work
Find out the components which are
not heat-resistant and replace them
(don’t touch by hand)
D
.
Hi
g
h
temperature
makes both CPU
and power unable
to work
L
ower
CPU
f
requency, use
hi
g
h
er
power supply, remove the
components not in use, exit all
software that have nothing to do
with current
j
ob.
E.The
temperature is
too high for most
components to
work
K
eep
th
e
P
C
f
ar
f
rom
h
ea
t
resource;
use heat insulation equipments;
change the heat dissipation
direction (away from the
computer); use powerful cooling
fans or air conditioner; work at
nights, or on cloudy or rainy days;
lower CPU frequency and use
higher power, remove the
components not in use, exit all
software that have nothing to do
with current
j
ob.
6
Use under
high
humidity
Overload the CPU
by peripheral
circuit
U
ncover
th
e compu
t
er case,
bl
ow
hot air into case, and adjust the
temperature to the favorite range
that can remove the moisture and
keep the computer work normally
(lower the temperature until the
card shows “no” and then heighten
the temperature until the card
shows “no” again, finally adjust the
temperature to the middle point).
Please minimize the period that
shows “no” in testin
g
.
7
U
se
i
n
B
a
d
con
t
ac
t
o
f
Ch
ec
k
a
ll
f
as
t
eners o
f
th
e com
p
u
t
er
,
31